I hope this might be able to help you.
Since the value of the car slowly decreases each year and each year is represented by <em>y</em>, the function is 24,000-1750y=f(x).
Answer:
6 weeks
Step-by-step explanation:
So the amount b we will have in our account w weeks from now is given by the equation:

To find out after how many weeks from now we will have $210, substitute 210 for b and solve for w:

Subtract 85 from both sides:

Add within the parentheses:

Divide both sides by 22:

In other words, we will have $210 after approximately 6 weeks.